• Adhesives

Desmocoll® 526

Predominantly linear, flexible hydroxyl polyurethane with a low crystallisation rate. Outstanding adhesion on PVC substrates. Suitable to formulate adhesives with a long tack life.

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Product Types

  • PU resin


Solventborne, Heat activated

General Characterization

Desmocoll® 526 is a flexible, predominantly linear hydroxyl polyurethane with a low crystallization rate. It has outstanding adhesion on flexibilised PVC and can be used to formulate adhesives with a long tack life and low thermoplasticity.

Storage Conditions

- Storage in original sealed Covestro containers.

Recommended storage temperature: 10 - 25 °C.

- Protect from direct sunlight, moisture, heat and foreign material.


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Packaging Type

No data available

Technical Properties & Datasheets

Property Name Test Method Unit Value
Solution viscosity, 15 % inbutanone-2 (MEK) at 23 °C, Haake DIN EN ISO 3219/A.3 mPa*s 600 ± 200

Property Name Test Method Unit Value
Heat resistance ASTM D 816 °C approx. 60
Hot tack life DIN EN 12961 min approx. 3
Bondability of materials containing plasticizers DIN EN 15307 excellent
Density DIN EN ISO 2811 g/ml approx. 1.2
Hydroxyl content DIN 53 240 % < 0.1
Crystallization DIN 53 505 h approx. 48
Minimum activation temperature DIN EN 12961 °C approx. 50


Technical Data Sheet
Safety Data Sheet
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